Home / 3,801.36-5,243.16-2,476.20

Finding the Fourth Proportional to 3,801.36, 5,243.16 and 2,476.20

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Solution

The fourth proportional to 3,801.36, 5,243.16 and 2,476.20 is: 3,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.36 : 5,243.16 = 2,476.20 : x
  2. Step 2: Convert to fraction form
    3,801.36/5,243.16 = 2,476.20/x
  3. Step 3: Cross multiply
    3,801.36x = 5,243.16 × 2,476.20
  4. Step 4: Simplify right side
    3,801.36x = 12,983,112.79
  5. Step 5: Solve for x
    x = 12,983,112.79/3,801.36
  6. Step 6: Final answer
    x = 3,415.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.